The Experts below are selected from a list of 162 Experts worldwide ranked by ideXlab platform
Dimitrios Vlachos - One of the best experts on this subject based on the ideXlab platform.
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on the necessity of a Disposal Option for returned items that can be remanufactured
International Journal of Production Economics, 2002Co-Authors: Ruud H Teunter, Dimitrios VlachosAbstract:We study a single item hybrid production system with manufacturing and remanufacturing. It is assumed that remanufacturing is profitable and that, on average, there are more demands than returns. We investigate using simulation, for a variety of cases with different demand, return, manufacturing, and remanufacturing characteristics, what the cost reduction associated with having a Disposal Option for returned items is. The results show that there is only a considerable cost reduction if an item is very slow-moving, the recovery rate is high, and remanufacturing is almost as expensive as manufacturing.
Norikazu Nakashiki - One of the best experts on this subject based on the ideXlab platform.
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lake type storage concepts for co2 Disposal Option
Waste Management, 1998Co-Authors: Norikazu NakashikiAbstract:Many types of deep ocean storage of CO 2 have been proposed, and are classified into two groups: a deep ocean dissolution, and a deep ocean storage. The concepts of these storage systems are briefly reviewed. Problems and difficulties are discussed concerning deep ocean storage.
Francesc Castells - One of the best experts on this subject based on the ideXlab platform.
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The carbon footprint and energy consumption of beverage packaging selection and Disposal
Journal of Food Engineering, 2011Co-Authors: Jorgelina Pasqualino, Montse Meneses, Francesc CastellsAbstract:Most market products are offered to consumers in a wide range of packaging alternatives and the proportion of municipal solid waste attributed to packaging increases year after year. This study assesses the environmental impact of the commonest packaging Options on the Spanish market for juice, beer and water. The production of different packaging materials and sizes was evaluated along with their method of final Disposal (landfilling, incineration and recycling). Recycling was found to be the most environmentally friendly Disposal Option for all the packaging alternatives compared, and either incineration or landfilling was considered the second best Option depending on the packaging material. The packaging Options with the lowest environmental impacts were aseptic carton and plastic packaging (for sizes greater than 1 l). The environmental profile of the whole beverage life cycle was evaluated. The results of the evaluation of the entire life cycle show that the impact of beer packaging is similar to the impact of beer production and these are the highest impact stages in the life cycle of beer. Packaging was found to have the highest environmental impact in the life cycles of water and juice. ?? 2010 Elsevier Ltd. All rights reserved.
Srinivasan Shanmugham Venkatachalam - One of the best experts on this subject based on the ideXlab platform.
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Investigation on pyrolysis and incineration of chrome-tanned solid waste from tanneries for effective treatment and Disposal: an experimental study
Environmental Science and Pollution Research, 2019Co-Authors: Mozhiarasi Velusamy, Bhagiratha Chakali, Sathish Ganesan, Farha Tinwala, Srinivasan Shanmugham VenkatachalamAbstract:Chrome-tanned leather solid wastes (leather finished trimmings (LFT) and chrome shavings (CS)) from tanneries were studied using pyrolysis and incineration. Detailed characterization of CS and LFT indicated higher calorific value of 15.77 MJ/kg and 19.97 MJ/kg respectively, which makes it suitable for thermal treatment. Thermal Gravimetric Analysis (TGA) of CS and LFT recorded a weight loss of 79.82% and 68.22% at 800 °C respectively. Energy-dispersive X-ray spectroscopy and scanning electron microscopy analysis for CS and LFT were also carried out. Pyrolysis of CS and LFT was carried out using a fixed bed–type pyrolysis unit at a temperature of 500 ± 10 °C for a reaction time of 30 min and three different by-products (bio-oil, biochar and pyrolytic gas) were obtained as a result of pyrolysis. From pyrolysis process, higher bio-oil yields of 52 wt.% and 49 wt.% from LFT and CS with calorific value of 28.0 and 27.8 MJ/kg respectively were obtained. The calorific values of the biochar obtained from LFT and CS were found to be 20.5 and 23.0 MJ/kg respectively. Incineration was carried out in the existing incineration facility of 150 kg/h capacity at a temperature of 1200 °C. The results of incineration process showed a higher weight reduction (93.0 wt.%) and higher concentration of gaseous emissions, revealing the need for off-gas treatment. Further, FT-IR spectra of residual ash from the incineration process revealed the occurrence of oxidation of trivalent chromium to its hexavalent form, which could be a potential raw material in the metallurgical/chemical industry for the synthesis of sodium chromate or ferrochrome alloy. Comparative experimental investigations of pyrolysis and incineration revealed that incineration could be a potential treatment and Disposal Option, in developing countries like India, for chrome-tanned leather solid wastes from tanneries, for producing heat energy and the residue with potential utilization viability in another industry paving a way towards circular economy.
Andy Spoerri - One of the best experts on this subject based on the ideXlab platform.
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transitions of municipal solid waste management part ii hybrid life cycle assessment of swiss glass packaging Disposal
Resources Conservation and Recycling, 2014Co-Authors: Gregoire Meylan, Andy SpoerriAbstract:Abstract In policy support of municipal solid waste (MSW) management, life cycle assessment (LCA) can serve to compare the environmental or economic impacts of two or more Options for waste processing. The scope of waste management LCAs generally focuses less attention on future developments, e.g., where will recycling take place, and more on the environmental performance of prototypes, e.g., the incineration of all waste compared to recycling. To provide more robust support for Swiss waste glass-packaging Disposal, scenarios of Swiss waste glass-packaging are assessed from a life cycle perspective. The scenarios consist in schemes for the Disposal of the total amount of Swiss waste glass-packaging, i.e., different combinations of recycling and downcycling in Switzerland or abroad developed in Part I, Meylan et al. (2013) . In this article (Part II), the Disposal schemes are assessed with respect to eco-efficiency, an indicator that combines total environmental impacts and gross value added in Switzerland. Results show that no policy alternative guarantees environmental impact reductions and gross value added gains under all developments of exogenous constraints. Downcycling to foam glass in Switzerland is not only an environmentally sound Disposal Option, but it also buffers gross value added losses in case domestic recycling (and thus glass-packaging production in Switzerland) ceases in the future. The substitution of products based on raw materials other than Swiss cullet is the main responsible for change in environmental and economic impacts. Hence, an eco-efficiency maximizing policy should consider the products of Disposal schemes. The combination of scenario analysis and eco-efficiency assessment as presented in this paper can be applied to other contexts (i.e., countries, waste fractions).